122889097 has 2 divisors, whose sum is σ = 122889098. Its totient is φ = 122889096.

The previous prime is 122889089. The next prime is 122889103. The reversal of 122889097 is 790988221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91853056 + 31036041 = 9584^2 + 5571^2 .

It is a cyclic number.

It is not a de Polignac number, because 122889097 - 2³ = 122889089 is a prime.

It is a super-2 number, since 2×122889097² = 30203460322950818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122889007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61444548 + 61444549.

It is an arithmetic number, because the mean of its divisors is an integer number (61444549).

Almost surely, 2^122889097 is an apocalyptic number.

It is an amenable number.

122889097 is a deficient number, since it is larger than the sum of its proper divisors (1).

122889097 is an equidigital number, since it uses as much as digits as its factorization.

122889097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 122889097 is about 11085.5354854874. The cubic root of 122889097 is about 497.1694690935.

The spelling of 122889097 in words is "one hundred twenty-two million, eight hundred eighty-nine thousand, ninety-seven".